135545215 has 8 divisors (see below), whose sum is σ = 175166208. Its totient is φ = 100094880.

The previous prime is 135545209. The next prime is 135545231. The reversal of 135545215 is 512545531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135545215 - 2¹¹ = 135543167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042591 + ... + 1042720.

It is an arithmetic number, because the mean of its divisors is an integer number (21895776).

Almost surely, 2^135545215 is an apocalyptic number.

135545215 is a deficient number, since it is larger than the sum of its proper divisors (39620993).

135545215 is a wasteful number, since it uses less digits than its factorization.

135545215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085329.

The product of its digits is 15000, while the sum is 31.

The square root of 135545215 is about 11642.3887153797. The cubic root of 135545215 is about 513.6824523487.

It can be divided in two parts, 13554 and 5215, that added together give a square (18769 = 137²).

The spelling of 135545215 in words is "one hundred thirty-five million, five hundred forty-five thousand, two hundred fifteen".